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£85+ Cheap flights from San Francisco

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SFO — LHR
4 Jun — 11 Jun1
1 adult
1 adult, Economy, 0 bags

Find flights from San Francisco within your budget

 
Find flights departing from San Francisco that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 5 May 2026. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Route

Depart

Return

Price

Cheapest return flight

San FranciscoBirmingham

SFO - BHX

SFOBHX

San Francisco

Mon 7/9

16:17-17:35

2 stops41h 18m

Birmingham

Thu 10/9

06:05-19:04

2 stops20h 59m

£586

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Sun 23/8

17:55-12:15

Nonstop10h 20m

London Heathrow

Mon 31/8

08:40-11:45

1 stop35h 05m

£629

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Tue 29/9

17:55-12:15

Nonstop10h 20m

London Heathrow

Wed 7/10

06:30-11:45

1 stop13h 15m

£629

San FranciscoGlasgow

SFO - GLA

SFOGLA

San Francisco

Mon 28/9

08:50-10:10

2 stops17h 20m

Glasgow Intl

Wed 30/9

14:00-23:32

1 stop17h 32m

£642

San FranciscoGlasgow

SFO - GLA

SFOGLA

San Francisco

Sat 19/9

23:59-10:10

1 stop26h 11m

Glasgow Intl

Thu 1/10

14:00-23:32

1 stop17h 32m

£644

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Sun 18/10

15:05-16:00

1 stop16h 55m

London Gatwick

Thu 29/10

16:45-14:25

1 stop28h 40m

£647

San FranciscoGlasgow

SFO - GLA

SFOGLA

San Francisco

Mon 10/8

13:45-12:55

1 stop15h 10m

Glasgow Intl

Mon 17/8

17:00-11:45

1 stop26h 45m

£658

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Thu 20/8

13:05-07:25

Nonstop10h 20m

London Heathrow

Mon 24/8

16:25-14:20

1 stop29h 55m

£659

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Wed 30/9

13:35-10:00

1 stop12h 25m

London Heathrow

Sun 4/10

06:15-12:50

1 stop14h 35m

£659

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Sat 15/8

15:05-16:00

1 stop16h 55m

London Gatwick

Thu 27/8

10:25-00:36

2 stops22h 11m

£667

Flights are sorted by cheapest return flights first.

Deals found on 2/5

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from San Francisco

Have a flexible travel schedule? Discover the best time to fly from San Francisco with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from San Francisco

Get recent, data-driven insights about flights from San Francisco including ideal travel times, pricing trends, and more.

When is the best time to book a flight from San Francisco?

Booking 29 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Francisco. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from San Francisco?

Currently, February is the cheapest month in which you can book a flight from San Francisco (average of £478). Flying from San Francisco in June will prove the most costly (average of £847). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

When is the cheapest time to fly from San Francisco?

Use this chart to determine the cheapest time to fly return from San Francisco to Heathrow. Price data was last updated on 2 May 2026.

Those who are seeking the cheapest fare on flights departing from San Francisco would be wise to consider leaving during Tuesday at midday when prices are typically at their lowest. When considering other options, price-conscious travelers should avoid Friday at midday when fares are usually the most expensive.

Which airlines fly from San Francisco?

Many airlines operate round-trip flights from San Francisco: Virgin Atlantic, United Airlines, British Airways, Lufthansa, KLM. These airlines fly to the following popular destinations: London.

United Airlines
United Airlines
From £182
Virgin Atlantic
Virgin Atlantic
From £365
Alaska Airlines
Alaska Airlines
From £44
Frontier
Frontier
From £38

What are popular destinations to fly to from San Francisco?

If you’re flying from San Francisco, these routes are more frequently taken by airlines New York (1,486 flights per day), Chicago (1,131 flights per day) and Los Angeles (812 flights per day).

London
London
From £341
Los Angeles
Los Angeles
From £36
Las Vegas Harry Reid Intl
Las Vegas Harry Reid Intl
From £26
New York
New York
From £98

What is the cheapest place to fly to from San Francisco?

The cheapest city to fly to from San Francisco is Las Vegas Harry Reid Intl, with prices starting at £26. Explore other affordable destinations below.

Las Vegas Harry Reid Intl
Las Vegas Harry Reid Intl
From £26
Los Angeles
Los Angeles
From £36
San Diego
San Diego
From £37
Salt Lake City
Salt Lake City
From £76

Airline reviews for flights from San Francisco

Get insights into the airlines that provide service from San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from San Francisco. In the last 7 days, Cheapflights users made a total of 858,174 searches.
Check out reviews from past customers who have flown KLM,United Airlines, andVirgin Atlantic from San Francisco to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,511 reviews
Check prices

Boarding

7.8

Entertainment

7.2

Food

7.3

Comfort

7.7

Crew

8.4

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,511 reviews
KLM
7.8
Good
1,511 reviews
Check prices

Boarding

7.8

Entertainment

7.2

Food

7.3

Comfort

7.7

Crew

8.4

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
United Airlines
7.4
Good
9,683 reviews
KLM
7.8
Good
1,511 reviews
Check prices

Boarding

7.8

Entertainment

7.2

Food

7.3

Comfort

7.7

Crew

8.4

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Virgin Atlantic
7.4
Good
688 reviews
KLM
7.8
Good
1,511 reviews
Check prices

Boarding

7.8

Entertainment

7.2

Food

7.3

Comfort

7.7

Crew

8.4

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Lufthansa
6.8
Okay
7,972 reviews
KLM
7.8
Good
1,511 reviews
Check prices

Boarding

7.8

Entertainment

7.2

Food

7.3

Comfort

7.7

Crew

8.4

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
British Airways
6.7
Okay
7,945 reviews
KLM
7.8
Good
1,511 reviews
Check prices

Boarding

7.8

Entertainment

7.2

Food

7.3

Comfort

7.7

Crew

8.4

Overall

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

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Related info for your journey

Access useful and relevant information related to your journey from San Francisco. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 5 May 2026.

  • What are the most popular destinations to fly to from San Francisco?

    This month, the top selected destinations from San Francisco are Boston, Bengaluru, Mumbai. Throughout the year, Mumbai, Boston, Bengaluru are some of the top choices made by users flying from San Francisco.

  • What is the cheapest flight from San Francisco to anywhere?

    Users have flown out of San Francisco for as low as £26 to Las Vegas (prices may vary depending on the airline and departure time). On average, users have booked flights for £467 to fly from San Francisco.

  • What are the cheapest airlines flying from San Francisco to anywhere?

    Over the past few days, we've found that Frontier, Alaska Airlines, and Southwest have the cheapest prices from San Francisco. Frontier flights from San Francisco to Atlanta Hartsfield-Jackson (£38), Alaska Airlines flights from San Francisco to Honolulu (£44), and Southwest flights from San Francisco to Las Vegas Harry Reid Intl (£57).

  • What is the cheapest premium economy flight from San Francisco?

    Here are some of the cheapest offers we have found for the cheapest premium economy flights from San Francisco.
    San Francisco to Seattle from £226
    San Francisco to Boston from £426
    San Francisco to Detroit Metropolitan Wayne County Airport from £464
    San Francisco to Portland from £521

  • What is the cheapest first class flight from San Francisco?

    If you’re looking for a cheap first-class flight from San Francisco, consider Los Angeles. Prices start at £252 so you can fly first-class even on a budget.

  • What is the cheapest month to fly from San Francisco?

    At the present moment the cheapest month to fly from San Francisco is currently February; with June being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • Where are the cheapest places to fly to from San Francisco?

    Check out the cheapest flights from San Francisco to embark to:
    Travel from San Francisco to London from £503 round trip
    Travel from San Francisco to Edinburgh from £612 round trip
    Travel from San Francisco to Glasgow from £614 round trip

  • How does Cheapflights help users find flights from San Francisco?

    Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from San Francisco. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

  • Why should you use Cheapflights to find cheap flight tickets from San Francisco?

    Cheapflights helps you find that perfect flight from San Francisco by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

  • Can Cheapflights find flights from San Francisco with no change fees?

    Certainly. Search results for flights from San Francisco shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

  • Can Cheapflights notify me if prices for flights from San Francisco become cheaper?

    Yes! Start tracking prices for flights from San Francisco today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive the alerts.

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from San Francisco?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from San Francisco. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from San Francisco?

Cheapflights helps you find that perfect flight from San Francisco by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from San Francisco with no change fees?

Certainly. Search results for flights from San Francisco shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from San Francisco become cheaper?

Yes! Start tracking prices for flights from San Francisco today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive the alerts.

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